The way the utility is configured, you cannot configure the links via the utility on the EZSrve. It is setup for remote device management only.

What are you looking to do on the EZSrve? Using the web interface (make sure to download the latest 1.55) you can delete links on the EZSrve. If you are looking at doing some manual edits, one way to do that would be to edit the devices3.xml file, re-upload and synchronize.